he following stemplot shows the swimming speeds, in kilometers per hour  (km/h), for a random sample of 31 emperor penguins. The mean of the sample is 9.771 km/h, and the standard deviation is 0.944 km/h. Construct and interpret a 95 percent confidence interval for the mean swimming speed of all emperor penguins in the populatio

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.4: Fractional Expressions
Problem 8E
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The following stemplot shows the swimming speeds, in kilometers per hour  (km/h), for a random sample of 31 emperor penguins. The mean of the sample is 9.771 km/h, and the standard deviation is 0.944 km/h. Construct and interpret a 95 percent confidence interval for the mean swimming speed of all emperor penguins in the population.

Speed (km/h)
78
83 4
8679
900 134
955 678 8 9
10 0 1 12 3
10 5 8 88
11 0 2 3
11 5
Key: 718 = 7.8
Transcribed Image Text:Speed (km/h) 78 83 4 8679 900 134 955 678 8 9 10 0 1 12 3 10 5 8 88 11 0 2 3 11 5 Key: 718 = 7.8
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